Fix PingLoaderTest crashing the next test

third_party/WebKit/Source/core/loader/PingLoaderTest.cpp

Index: third_party/WebKit/Source/core/loader/PingLoaderTest.cpp
diff --git a/third_party/WebKit/Source/core/loader/PingLoaderTest.cpp b/third_party/WebKit/Source/core/loader/PingLoaderTest.cpp
index f96f9b70dd62509c1f93bc7ae02c792d5d687fb7..41ffc4579815822b1d5b012c4f912c4f7e0984d7 100644
--- a/third_party/WebKit/Source/core/loader/PingLoaderTest.cpp
+++ b/third_party/WebKit/Source/core/loader/PingLoaderTest.cpp
@@ -64,6 +64,9 @@ class PingLoaderTest : public ::testing::Test {
       EXPECT_EQ(destinationURL.getString(),
                 pingRequest.httpHeaderField("Ping-To"));
     }
+    // Serve the ping request, since it will otherwise bleed in to the next
+    // test, and once begun there is no way to cancel it directly.
+    Platform::current()->getURLLoaderMockFactory()->serveAsynchronousRequests();
     return pingRequest;
   }